© 2026 Sloth Lingo. Learn easy. Lounge wisely.

rationality

Upper-Intermediate (B2)

IPA: /ˌræʃəˈnælɪti/

KK: /ˌræʃəˈnælɪti/

noun
Definition

The quality of thinking or acting in a logical and reasonable way.


Example

Her decision was based on rationality rather than emotion.


Conversation
Sloth A
I think it's important to approach problems with rationality rather than emotion.
Sloth B
Definitely! It helps us make better decisions in tough situations.
Sloth A
Right? Sometimes, people let their feelings cloud their judgment.
Sloth B
Exactly, staying logical can really clear things up.

Synonyms & Antonyms
Synonyms
reason
logic
sanity
Antonyms
irrationality
foolishness
absurdity
Root Explanation

Rationality → It is formed from "rational" (from Latin "rationalis", meaning reasonable or logical) and "-ity" (meaning the state or quality of). The word "rationality" refers to the quality of being reasonable or logical in thought.

Memory Tip

Think of 'rational' meaning logical or reasonable, and remember that 'rationality' is the state of being logical.

Visually Confused Words
relationality
irrationality
nationality
atonality
traditionality
nationalty
irrationability
tonality
Is this page helpful?